Classification
330 - Economics
361 - Social problems & social welfare in general
700 - The arts; fine & decorative arts
320 - Political science
8
610 - Medicine & health
6
000 - Computer science, information & general works
5
333 - Economics of land & energy
5
140 - Specific philosophical schools
4
600 - Technology
4
360 - Social problems & services; associations
3
300 - Social sciences
2
304 - Factors affecting social behavior
2
363 - Other social problems & services
2
380 - Commerce, communications & transportation
2
620 - Engineering & allied operations
2
630 - Agriculture & related technologies
2
100 - Philosophy & psychology
1
170 - Ethics
1
301 - Sociology & anthropology
1
340 - Law
1
370 - Education
1
500 - Natural sciences & mathematics
1
540 - Chemistry & allied sciences
1
580 - Plants (Botany)
1
658 - General management
1
791 - Public performances
1